"She's at Dina's home now, resting," says a source. "Her mother is keeping a close eye on her. She's safe."

As for why Dina took such extreme measures, perhaps it's because her asthma is just that bad.

“She’s fine, but she had a bad case of asthma as a kid, so she has to take these things seriously,” her father Michael Lohan says. “When she was a kid, we almost lost her a couple of times because of the asthma.”